a-1+1=4

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Solution for a-1+1=4 equation: 


Simplifying
a + -1 + 1 = 4

Reorder the terms:
-1 + 1 + a = 4

Combine like terms: -1 + 1 = 0
0 + a = 4
a = 4

Solving
a = 4

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Simplifying
a = 4

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